Routing Table Report 00:00 GMT Mon 20 Jul, 2009
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 297723
Prefixes after maximum aggregation: 138489
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 95626
Total ASes present in the Internet Routing Table: 31837
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 27594
Origin ASes announcing only one prefix: 13446
Transit ASes present in the Internet Routing Table: 4243
Transit-only ASes present in the Internet Routing Table: 108
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 483
Unregistered ASNs in the Routing Table: 156
Number of 32-bit ASNs allocated by the RIRs: 207
Prefixes from 32-bit ASNs in the Routing Table: 68
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 341
Number of addresses announced to Internet: 1155255198
Equivalent to 68 /8s, 219 /16s and 203 /24s
Percentage of available address space announced: 31.2
Percentage of allocated address space announced: 36.1
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.3
Total number of prefixes smaller than registry allocations: 148468
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69788
Total APNIC prefixes after maximum aggregation: 24466
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 69227
Unique aggregates announced from the APNIC address blocks: 21873
APNIC Region origin ASes present in the Internet Routing Table: 3706
APNIC Prefixes per ASN: 18.68
APNIC Region origin ASes announcing only one prefix: 1012
APNIC Region transit ASes present in the Internet Routing Table: 579
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 236686016
Equivalent to 14 /8s, 27 /16s and 138 /24s
Percentage of available APNIC address space announced: 44.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 112/8,
113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8,
120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8,
180/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 126024
Total ARIN prefixes after maximum aggregation: 66488
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 126443
Unique aggregates announced from the ARIN address blocks: 34813
ARIN Region origin ASes present in the Internet Routing Table: 13140
ARIN Prefixes per ASN: 9.62
ARIN Region origin ASes announcing only one prefix: 5060
ARIN Region transit ASes present in the Internet Routing Table: 1318
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 645043349
Equivalent to 38 /8s, 114 /16s and 148 /24s
Percentage of available ARIN address space announced: 124.0
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295
ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 68205
Total RIPE prefixes after maximum aggregation: 39661
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 68038
Unique aggregates announced from the RIPE address blocks: 22706
RIPE Region origin ASes present in the Internet Routing Table: 13320
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 6921
RIPE Region transit ASes present in the Internet Routing Table: 2028
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 180419968
Equivalent to 10 /8s, 192 /16s and 253 /24s
Percentage of available RIPE address space announced: 38.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 27104
Total LACNIC prefixes after maximum aggregation: 6091
LACNIC Deaggregation factor: 4.45
Prefixes being announced from the LACNIC address blocks: 27047
Unique aggregates announced from the LACNIC address blocks: 13584
LACNIC Region origin ASes present in the Internet Routing Table: 1150
LACNIC Prefixes per ASN: 23.52
LACNIC Region origin ASes announcing only one prefix: 362
LACNIC Region transit ASes present in the Internet Routing Table: 191
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 72107144
Equivalent to 4 /8s, 76 /16s and 68 /24s
Percentage of available LACNIC address space announced: 71.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 6216
Total AfriNIC prefixes after maximum aggregation: 1507
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6613
Unique aggregates announced from the AfriNIC address blocks: 2403
AfriNIC Region origin ASes present in the Internet Routing Table: 308
AfriNIC Prefixes per ASN: 21.47
AfriNIC Region origin ASes announcing only one prefix: 91
AfriNIC Region transit ASes present in the Internet Routing Table: 64
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 19362304
Equivalent to 1 /8s, 39 /16s and 114 /24s
Percentage of available AfriNIC address space announced: 57.7
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17488 1542 137 103 Hathway IP Over Cable Interne
4766 1536 6934 407 Korea Telecom (KIX)
4755 1215 292 142 Videsh Sanchar Nigam Ltd. Aut
9583 1136 87 561 Sify Limited
4134 937 17290 375 CHINANET-BACKBONE
7545 812 198 102 TPG Internet Pty Ltd
9829 800 611 14 BSNL National Internet Backbo
18101 749 201 32 Reliance Infocom Ltd Internet
24560 729 246 168 Bharti Airtel Ltd.
17974 698 229 94 PT TELEKOMUNIKASI INDONESIA
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4239 3641 321 bellsouth.net, inc.
20115 2108 1462 675 Charter Communications
4323 1891 1048 384 Time Warner Telecom
1785 1710 714 139 AppliedTheory Corporation
7018 1493 9994 1032 AT&T WorldNet Services
2386 1268 655 926 AT&T Data Communications Serv
6478 1217 275 311 AT&T Worldnet Services
3356 1195 10961 441 Level 3 Communications, LLC
11492 1127 208 12 Cable One
22773 1077 2604 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 626 1861 343 UUNET - Commercial IP service
30890 485 92 197 Evolva Telecom
12479 473 578 6 Uni2 Autonomous System
3292 463 1902 391 TDC Tele Danmark
3301 377 1684 310 TeliaNet Sweden
3320 350 7082 304 Deutsche Telekom AG
8997 344 152 8 SPBNIT-RU Autonomous System
3215 343 3065 108 France Telecom Transpac
8866 335 109 22 Bulgarian Telecommunication C
29049 307 26 3 AzerSat LLC.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7303 2113 316 88 Telecom Argentina Stet-France
8151 1464 2882 229 Uninet S.A. de C.V.
10620 962 216 111 TVCABLE BOGOTA
28573 615 575 32 Types of queries are: POCs, o
22047 543 302 14 Types of queries are: POCs, o
11830 489 309 56 Instituto Costarricense de El
11172 442 99 70 Alestra
6471 434 96 31 ENTEL CHILE S.A.
7738 426 862 30 Telecomunicacoes da Bahia S.A
16735 406 124 11 Companhia de Telecomunicacoes
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1025 188 7 TEDATA
24863 900 90 48 LINKdotNET AS number
20858 324 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 TENET-1
6713 176 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 140 15 8 Ci Telecom Autonomous system
24835 130 46 9 RAYA Telecom - Egypt
5536 123 8 9 Internet Egypt Network
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4239 3641 321 bellsouth.net, inc.
7303 2113 316 88 Telecom Argentina Stet-France
20115 2108 1462 675 Charter Communications
4323 1891 1048 384 Time Warner Telecom
1785 1710 714 139 AppliedTheory Corporation
17488 1542 137 103 Hathway IP Over Cable Interne
4766 1536 6934 407 Korea Telecom (KIX)
7018 1493 9994 1032 AT&T WorldNet Services
8151 1464 2882 229 Uninet S.A. de C.V.
2386 1268 655 926 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7303 2113 2025 Telecom Argentina Stet-France
1785 1710 1571 AppliedTheory Corporation
4323 1891 1507 Time Warner Telecom
17488 1542 1439 Hathway IP Over Cable Interne
20115 2108 1433 Charter Communications
8151 1464 1235 Uninet S.A. de C.V.
4766 1536 1129 Korea Telecom (KIX)
11492 1127 1115 Cable One
4755 1215 1073 Videsh Sanchar Nigam Ltd. Aut
18566 1062 1052 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.248.71/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
10.29.248.71/32 286 KPNQwest Backbone AS
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/rviews/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:23 /11:58 /12:172
/13:353 /14:617 /15:1171 /16:10567 /17:4840 /18:8308
/19:17348 /20:20685 /21:20757 /22:27360 /23:26809 /24:155057
/25:628 /26:791 /27:305 /28:336 /29:614 /30:641
/31:3 /32:251
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2753 4239 bellsouth.net, inc.
7303 1610 2113 Telecom Argentina Stet-France
17488 1288 1542 Hathway IP Over Cable Interne
4766 1235 1536 Korea Telecom (KIX)
1785 1182 1710 AppliedTheory Corporation
20115 1128 2108 Charter Communications
11492 1053 1127 Cable One
18566 1043 1062 Covad Communications
9583 989 1136 Sify Limited
2386 987 1268 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:18 8:211 12:2156 13:7 15:19 16:3
17:5 20:35 24:1168 32:150 34:2 38:580
40:98 41:1776 43:1 44:2 47:22 52:6
55:2 56:2 57:37 58:597 59:649 60:460
61:1078 62:1155 63:2065 64:3709 65:2404 66:3656
67:1622 68:885 69:2665 70:555 71:175 72:1691
73:2 74:1633 75:175 76:347 77:843 78:574
79:358 80:991 81:841 82:602 83:458 84:627
85:1029 86:378 87:672 88:371 89:1461 90:50
91:2427 92:365 93:1074 94:1027 95:1125 96:153
97:230 98:250 99:26 110:175 111:274 112:110
113:140 114:254 115:322 116:1135 117:538 118:356
119:761 120:146 121:786 122:1054 123:698 124:981
125:1373 128:225 129:233 130:128 131:414 132:74
133:9 134:187 135:40 136:219 137:165 138:168
139:92 140:448 141:121 142:385 143:353 144:366
145:48 146:388 147:155 148:515 149:309 150:173
151:193 152:146 153:154 154:2 155:274 156:166
157:301 158:117 159:346 160:289 161:153 162:275
163:162 164:476 165:515 166:465 167:362 168:657
169:171 170:505 171:43 172:10 173:313 174:240
178:1 186:103 187:166 188:340 189:624 190:3301
192:5819 193:4384 194:3429 195:2839 196:1122 198:3617
199:3366 200:5468 201:1419 202:7830 203:8253 204:3887
205:2266 206:2463 207:2744 208:3903 209:3381 210:2539
211:1149 212:1690 213:1695 214:84 215:29 216:4588
217:1350 218:406 219:476 220:1112 221:480 222:326
End of report